Paul E. Cope invented Thermo plastic glue also known as "Hot Glue" it is used in Hot Glue guns.
A good glue you can use for soft plastic which is a flexible material is Gorilla Glue.
Isopropyl will remove only elmers glue from plastic, not super glue. once it gets on there, you can't remove it.
plastic (polymer)
No plastic is used as glue, though some components may be the same in each other.
Yes, you can use cyanoacrylate glue, commonly known as crazy glue, to bond plastic materials together. Make sure the surfaces are clean and dry before applying the glue, and hold them together firmly until the bond sets. Keep in mind that the strength of the bond may vary depending on the type of plastic being used.
Any super glue will bind hard plastic.
if it is a plastic model kit you can use super glue, but not wood glue.
The new Elmer's Spray Glue is very good for that.
Araldite is not made from plastic.
With a plastic joiner
ALL plastics have their own particular glue or solvent - USE it rather than any other.